Change Windows Update Port to Fix 'Already Allocated' Error
When you see "port already allocated" during Windows Update, it usually means an...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Windows Security DNS Error Caused by Antivirus Conflict
You might see a Windows Security alert about a DNS error after installing or updating a third-par...
Fix Windows Security Error 0x80073b01: Step-by-Step Guide
You try to open the Windows Security app and get error code 0x80073b01. The app may crash or refu...
Fix Missing 'Log on as Batch Job' Right in Task Scheduler
When a scheduled task fails with error code 0x8007052f or simply doesn't run, the culprit is ofte...
Fix 'Port Already Allocated' Error in Windows Defender
You open Windows Defender Security Center or try to run a scan, and you see an error saying a por...
Fix Windows Defender Token Expired After Update
After a Windows update, you might see an error that Windows Defender's security token has expired...